Papers, Addresses, Reports: A New Approach to Studies of Culture and Society; Welcome to Augustana; Dedication of Lindahl-Udden Memorial; The Beginning of the Illinois State Academy of Science; The Ligneous Flora of Richland County, Illinois,...

Papers, Addresses, Reports: On Popularizing Science; Geology of the Joliet District; The Genus Peperomia in Northeastern South America; The American Bithynia Not Wholly an Introduced Species; Growth of Diatoms in Relation to Dissolved Gases;...

Papers, Addresses, Reports: Archeology and social change; An upper Mississippi house-pit from the Fisher village site: Further evidence; The succession of woodland horizons in the Carbondale area; A seven-pound copper axe among 1946 Hopewell...

Papers, Addresses, Reports: Can We Meet the Challenge?; Papers Presented at the 47th Annual Meeting; The Fish Population of the Main Stream of the Big Muddy River; Ecological Factors Affecting the Growth of Smallmouth Bass and Longear Sunfish...

Papers, Addresses, Reports: Let the Chips Fall Where They May; The Fish Population of a Spring-fed Stream System in Southern Illinois; Fishing Pressure and Fishing Success at Argyle Lake, McDonough County, Illinois, as Indicated by Creel...

Papers, Addresses, Reports: Treasurer's Report; Resolutions Presented at the Springfield Meeting; Addresses of Welcome, Springfield Meeting; Science and the Treatment of Human Ailments; The Science of Public Health, Actual and Potential...

Papers, Addresses, Reports: Treasurer's Report; Resolutions Presented at the Harrisburg Meeting; The Making of Southern Illinois; Does Infant Welfare Work Operate to Preserve the Unfit?; The Origin of Man; Investigations of Agricultural Soils...